Coil item jump not long.

Fix position of hitbox and hitarea for enemies with background.

New extra-data for NPCs, with jump speed fine-tuning.

Fix double jump.

Objects not being on the ground when stage starts.

Player "falling" at the start of a stage due to 1 pixel difference in Y position.

Fix game too fast after passing through a boss door.

Menu showing text-over text when changing some options like enable audio.